drm/amdgpu: remove unnecessary (void*) conversions

No need cast (void*) to (struct amdgpu_device *).
Signed-off-by: Su Hui <suhui@nfschina.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

@@ -1638,7 +1638,7 @@ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
 
 static int amdgpu_debugfs_test_ib_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 	struct drm_device *dev = adev_to_drm(adev);
 	int r = 0, i;
 
@@ -1749,7 +1749,7 @@ static int amdgpu_debugfs_benchmark(void *data, u64 val)
 
 static int amdgpu_debugfs_vm_info_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 	struct drm_device *dev = adev_to_drm(adev);
 	struct drm_file *file;
 	int r;

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

@@ -833,7 +833,7 @@ static const struct dma_fence_ops amdgpu_job_fence_ops = {
 #if defined(CONFIG_DEBUG_FS)
 static int amdgpu_debugfs_fence_info_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 	int i;
 
 	for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -951,7 +951,7 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
 #if defined(CONFIG_DEBUG_FS)
 static int amdgpu_debugfs_gem_info_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 	struct drm_device *dev = adev_to_drm(adev);
 	struct drm_file *file;
 	int r;

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

@@ -463,7 +463,7 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
 
 static int amdgpu_debugfs_sa_info_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 
 	seq_printf(m, "--------------------- DELAYED --------------------- \n");
 	amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_DELAYED],

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -1468,7 +1468,7 @@ void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
 
 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 	struct drm_amdgpu_info_firmware fw_info;
 	struct drm_amdgpu_query_fw query_fw;
 	struct atom_context *ctx = adev->mode_info.atom_context;

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -2257,7 +2257,7 @@ int amdgpu_ttm_evict_resources(struct amdgpu_device *adev, int mem_type)
 
 static int amdgpu_ttm_page_pool_show(struct seq_file *m, void *unused)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+	struct amdgpu_device *adev = m->private;
 
 	return ttm_pool_debugfs(&adev->mman.bdev.pool, m);
 }